Question

6x + 3x =
combine like terms

Answer 1

6x + 3x = 9x

Explanation:

6 and 3 have the same coefficient meaning you can combine them and add them to get 9x.

Answer 2

9x

Explanation:

6x + 3x

6 + 3 = 9

add the x and you get 9x

i hope this helps